Optimax Rotating Beacon (Amber). Flange Base 12/24 Volt. Dual voltage, radio suppressed, flange base, high impact polycarbonate lens. Current draw: 4.4A at 12V, 2.6A at 24V. H1 55W or 70W globe not included. To order 12V use P/No. 48320 or 24V use P/No. 48702.